Re: [PD] OT: video camera for detection

2008-01-02 Thread Alexandre Quessy
Hi all,
Thanks for the tips, Chris and Ben.

2007/12/21, chris clepper <[EMAIL PROTECTED]>:
> Don't expect a great image compared to a DV camera since the security ones
> have none of the DSP for edge enhancement, skin tone smoothing and so on (a
> lot goes on in those things).  Using a model with S-video output will reduce
> the color artifacts.

I think that skin tone smoothing is possible using shaders. (
http://www.cycling74.com/forums/index.php?rid=0&S=322adce409a72e135b36d131a326d4ac&t=msg&th=28233
) I think such smoothing is temporal, right ? Anyone has a example of
such image enhancement ?

Thanks !

-- 
Alexandre Quessy
http://alexandre.quessy.net
http://www.puredata.info/Members/aalex


>
>
> On Dec 21, 2007 3:52 PM, Alexandre Quessy <[EMAIL PROTECTED]> wrote:
> >
> > Hi,
> > I am shopping for a camera or an installation. :)
> >
> > Detection (pix_blob, etc.) requires a camera with a pretty high
> > resolution, and I also need to be able to disable auto gain control
> > (AGC) and auto iris control (AIC). I guess disabling the auto white
> > balance is a good idea too. I looked at matco.com, which has pretty
> > afordable cameras. Their SX-920C-HR looks pretty good. It has 480 TV
> > lines, which gives more than 720x480 pixels. See
> > http://matco.com/pro-camera-1.htm and click on "Technical
> details"
> > under that part number to see the little datasheet.
> >
> > I am afraid I cannot disable AGC, though at least I can use a lens
> > which has no auto iris. Is that correct ? Do you guys think there is a
> > way I can disable that auto iris control ? Otherwise, anyone has a
> > camera to suggest ? Thanks a lot !
> >
> >
> > --
> > Alexandre Quessy
> > http://alexandre.quessy.net
> > http://www.puredata.info/Members/aalex
> >
> > ___
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>
>

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Re: [PD] OT: video camera for detection

2007-12-21 Thread chris clepper
I have tested quite few models of security cams and JVC makes some of the
better ones.  On most of these models you can disable AGC and get a standard
fixed or zoom lens.  I would recommed the auto iris unless you have 100%
control of the lighting.

Don't expect a great image compared to a DV camera since the security ones
have none of the DSP for edge enhancement, skin tone smoothing and so on (a
lot goes on in those things).  Using a model with S-video output will reduce
the color artifacts.

On Dec 21, 2007 3:52 PM, Alexandre Quessy <[EMAIL PROTECTED]> wrote:

> Hi,
> I am shopping for a camera or an installation. :)
>
> Detection (pix_blob, etc.) requires a camera with a pretty high
> resolution, and I also need to be able to disable auto gain control
> (AGC) and auto iris control (AIC). I guess disabling the auto white
> balance is a good idea too. I looked at matco.com, which has pretty
> afordable cameras. Their SX-920C-HR looks pretty good. It has 480 TV
> lines, which gives more than 720x480 pixels. See
> http://matco.com/pro-camera-1.htm and click on "Technical details"
> under that part number to see the little datasheet.
>
> I am afraid I cannot disable AGC, though at least I can use a lens
> which has no auto iris. Is that correct ? Do you guys think there is a
> way I can disable that auto iris control ? Otherwise, anyone has a
> camera to suggest ? Thanks a lot !
>
> --
> Alexandre Quessy
> http://alexandre.quessy.net
> http://www.puredata.info/Members/aalex
>
> ___
> PD-list@iem.at mailing list
> UNSUBSCRIBE and account-management ->
> http://lists.puredata.info/listinfo/pd-list
>
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Re: [PD] OT: video camera for detection

2007-12-21 Thread B. Bogart
B+W security cameras tend to have lots of manual features. Even on my
elmo presentation camera I can turn off all the auto mechanisms.

I've been happy dealing with elmo as a company, one of the few does not
does make you agree to a license in order to get their serial control
protocol.

.b.

Alexandre Quessy wrote:
> Hi,
> I am shopping for a camera or an installation. :)
> 
> Detection (pix_blob, etc.) requires a camera with a pretty high
> resolution, and I also need to be able to disable auto gain control
> (AGC) and auto iris control (AIC). I guess disabling the auto white
> balance is a good idea too. I looked at matco.com, which has pretty
> afordable cameras. Their SX-920C-HR looks pretty good. It has 480 TV
> lines, which gives more than 720x480 pixels. See
> http://matco.com/pro-camera-1.htm and click on "Technical details"
> under that part number to see the little datasheet.
> 
> I am afraid I cannot disable AGC, though at least I can use a lens
> which has no auto iris. Is that correct ? Do you guys think there is a
> way I can disable that auto iris control ? Otherwise, anyone has a
> camera to suggest ? Thanks a lot !
> 


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[PD] OT: video camera for detection

2007-12-21 Thread Alexandre Quessy
Hi,
I am shopping for a camera or an installation. :)

Detection (pix_blob, etc.) requires a camera with a pretty high
resolution, and I also need to be able to disable auto gain control
(AGC) and auto iris control (AIC). I guess disabling the auto white
balance is a good idea too. I looked at matco.com, which has pretty
afordable cameras. Their SX-920C-HR looks pretty good. It has 480 TV
lines, which gives more than 720x480 pixels. See
http://matco.com/pro-camera-1.htm and click on "Technical details"
under that part number to see the little datasheet.

I am afraid I cannot disable AGC, though at least I can use a lens
which has no auto iris. Is that correct ? Do you guys think there is a
way I can disable that auto iris control ? Otherwise, anyone has a
camera to suggest ? Thanks a lot !

-- 
Alexandre Quessy
http://alexandre.quessy.net
http://www.puredata.info/Members/aalex

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